Miles between Ontario, CA and Seatac, WA

There are
1,157 mi
from Ontario, CA to Seatac, WA

That's the driving distance. It would take 21 hours 59 mins to go from Ontario, California to Seatac, Washington.

The flight distance (direct flight from Ontario, CA to Seatac, WA) is 956.47 mi.

1,157 mi = 1.61 kms